Fergie TED 20 fires but wont start?

I have a Fergie TED 20 TVO. I have rebuilt the engine and the timing has been reset. New plugs, points, coil, rotor arm etc however when I try to start it, it fires, coughs & splutters but wont run. please help
paul, March 2006


done
is the dizzy rotor/ spindle out by 180 degrees????
common and easy mistake

alastair, July 2012
try putting the clutch in high or low and see what happens mine dose the same thing

miller, April 2006